Railroad-crossing.



No. 630,748. Patented Aug. 8, I899. D. SCOTT.

RAILROAD CRUSSING.

I IApplicntion filed Feb. 28, 1899.) (No Model.)

, WITNESSES A TTOLWEYS,

UNITED STATES PATENT OFFICE.

DANE SCOT", OF DELPIIOS, OHIO, ASSIGNOR OF ONE-HALF TO PAllL A.

STIPPICH, OF SAME PLACE. l

RAILROAD-CROSSING.

iti

. SPECIFICATION forming. part of Letters Patent No. 630,748, datedAugust 8 1899.

' Application find February 28,1899. Serial No. 707,203. No model- To.all whom it may concern:

Be itknown that LDANE Scornof Delphos, in the county of Allen and Stateof Ohio, have invented a new and Improved Railroad-Crossing, of whichthe following isa full, clear, and exact description. f

The purpose of, this invention is to provide a railway-crossing in whichthe pounding of the car and engine wheels at the crossing will beavoided; and this end is attained by providing an additional or insiderail running with the main rails, and. forming guideways in which aresituated sliding blocks mounted on mechanism to raise and lower theblocks, so that as the train passes the crossing the blocks may heraised to fill the spaces between therails, and thus provide anadditional bearing-surface over which the treads of the wheels may roll,whereby to avoid, the

dropping of the wheels into the spaces be tween the rails, as is commonwith the crosslngs as now constructed.

This specification isthe disclosure of one form of the invention, whilethe claims definelthe actual scope thereof.

Reference is to be had to the accompanying drawings,forming a part ofthis specification, in which similar characters of reference indicatecorresponding parts in all the views.

Figure 1 is a plan view of the invention.

Fig. 2 is a sectional view 011 the line 2 2 of Fig. 1. Fig. 8 1s adetail section taken, for

" example, on the line 3 3 of Fig. 1; and Fig. 4

is a fragmentary plan view of a slight modification of the invention. 1

Referring to the first three ligures of the drawings, the main rails 4of one track cross. ing the main rails 5 of the other ti ek are providedwith the extra inside rails (i, fas- 37, lying alongside the rails 4.

tened thereto, and the main rails5 are provided with inside rails 7,fastened thereto and similar to the rails G, the several rails 4, 5, 6,and 7 being soarrangcd as to permit the flahges of the wheels to passalong in either direction without obstruction. 1 also provide'additional outside rails 36, lying alongside the rails 5, and additionaloutside rails These rails 36 and 37 are fastened to the main rails andserve to strengthen the structure and also to provide a smoothbearing-s11 rface for old worn wheels that would otherwise pass thecrossing with a serious pounding. thus arranged presents to the wheelspassing, for example, along the rails 4 open spaces, which occur betweenthe rails 5 and 7 at their points of intersection with the rails'4 and(3.] The same is true of the rails 5, which are interrupted by openspaces occurring between the rails 4 and 6 at their points ofintersection with the rails 5 and 7. To fill these spaces and provide asmooth bearing-surface The crossing for the wheels, I provide four pairsof elongated steel'bloeks 8, 9, 10, and 11. The blocks 8 are mounted ona rock-shaft 12 by-ineans.

of crank-arms 14, which are one for each block 8 and which are hinged tothe blocks. v

\Vhen therock-shaft 12 is thrown in one direction, asshown in Fig. 1,-the blocks 8 are advanced so that their inner ends are in line with theadjacent rails 4, and consequently the wheel passing over the rail 4will travel along an unbroken surface. \Vhen the rockshaft 12 is thrownin the other direction, the blocks 8 move outwardly and downwardly andsettle into cavities 15, formed between the rails 5 and 7 at pointsdirectly above the shaft 12, as shown ,in Figs. 1 and The'shaft 12 isprovidedwith a crank-arm 16, to which is connected a link 17, passing toan elbot lever 18, fulcrumed adjacent to the crossing. The elbow-lever18 is also provided with a link 19, connected. with the crank-arm 20 ofa shaft 21, mounted diametricallyopposite the shaft 1.2 and having theblocks 10 connected therewith by means of crank-arms (not shown) similarto the crank-arms 14-. The arrangement of these parts 21 and 10 is thesame as the arrangement of the parts 12 and S, and by reason of thelinks 17 and 1.) and the cranks 1G and 20 the blocks 8 and 10 act inunison with each other, so that the two sets of wheels of the carpassing over the rails 4 will be provided with the bearing-surfaces, asexplained. The other end of the elbow-lever 18 is connected with twolinks 22 and 23; The link 22 is pivoted to a crank-arm 24, and the link23 is pivoted to a crank-arm 25. v The crank-arm 24 is fast to arock-shaft 26, and the crankarm 25 is fast to a'roek-shaft 27, whichshafts lot,

2 and 27 are similar to the shafts 1'2 and 21. The blocks] 1 areconnected with the shaft :36 by cranks 21', similar to the cranks l4,and the blocks 9 are connected with the shaft 27 by cranks 28, similarto the cranks it, all of which is shown in Fig. 2. The elbow-lever 18 isadapted to be thrown by a hand-lever 30, connected with the elbow-leverby a link 31. The arrangement of the several links 17, 1t), 22, and andthe cranks 1G, 20, 24, and 25 is such that as the blocks 8 and 10 areadvanced to the operative position shown in Fig. :3 the blocks 11 and 9are retracted and as the blocks 8 and 10 are thrown back the blocks 1)and 11 are advanced. In other words, the blocks 8 and 10 and the blocks9 and 11 act in sets which advance and retract alternately. The elbowlever 18 may be thrown byan attendant soas to adjust the crossing fortrains passing on either track 4- or 5.

The form of the invention shown in Fig. -.t differs from the other formof the in vention only in that it shows the adaptation of the apparatnsto diagonal or angled crossings. In this arrangement the blocks 0 areactuated by two rock-shafts 27 and 532, the former havingacrank-arm 25,connected with a link 2 by which to rock the shaft 27. One of the blocks9" is connected with the shaft. 27 bya crank-arm similar to thecrank-arm 28. The other end of the shaft 27 is I)t'o,idetl with a crank33 to which a link It is pivoted. This link 34 is pivoted to a crank-arm235 on the shaft 32, to which shaft 3:. the other block 1)" isttullltetflui b\' a tfi'tlilkttl'ltt similar to the crank-arm 28. inthis form of theinvention the operation is the same as that previouslydescribed.

llavin thus described my invention, I claim as new and desire to secureby Letters Patent 1. A railroad-erossiug, having cavities formed betweenthe rails thereof, the cavities being juxtaposed to and leading up tothe spaces between the rails, sliding blocks mounted to move into saidcavities and to move upward between the spaces between the rails, theblocks being arranged in sets, and the sets moving alternately. to placeone in position when the other is out, four crankshat'ts extendingparallel with the respective rails, the opposite crank-shafts beingconnected to move in unison, arms attached to the shafts andrespectivelypiveted to the sliding blocks, and means connected with thepairs of shafts for rocking them in unison.

L. In a railroad-crossing, the combination with t he crossing rails, ofthe froghavingcavities therein, the cavities being juxtaposed to thespaces between the crossing rails, blocks mounted to slide in thecavities and movable relatively into the said spaces between thecrossing rails, crank-shafts having arms pivoted to the blocks to movethe same, a bellerank lever, and two sets of links respectivelyconnected with the arms of the bellcrank ]e-. ver and respectivelyextending to the cranks ot' the '.t'ankshat'ts so-that upon a movementof the bell-crank lever the crank-shafts are operated in sets or gangsto throw the blocks into and out of operative position.

DAN a 1st o'r'r.

Witnesses:

.los. ls. LINDEN xxx, ltnmnx (lomHE.

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